System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Thread Pitch Thread Pitch |
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Thread Type Thread Type |
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Drive Style Drive Style |
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Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Flat Head Profile Flat Head Profile |
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Thread Spacing Thread Spacing |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met |
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Hardness Hardness |
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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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Threading Threading |
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 | Fully Threaded |
Rounded Head Style Rounded Head Style |
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 | Cheese |
Thread Direction Thread Direction |
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About Rounded Head Screws
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About Flat Head Screws
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18-8 Stainless Steel Narrow Cheese Head Slotted Screws
More corrosion resistant than steel, and almost as strong, these 18-8 stainless steel screws have a narrower head than pan head screws to fit into tight spaces. They’re often used in electrical panels and next to flanges and raised surfaces in humid, damp, and washdown environments, but will corrode if exposed to salt water or chemicals. A deep slot gives you more driving power and keeps the screwdriver from slipping. Length is measured from under the head.
Passivated screws are finished with an extra layer of rust protection.
NAS 721 screws meet National Aerospace Standards.
For technical drawings and 3-D models, click on a part number.
Metric 18-8 Stainless Steel Slotted Flat Head Screws
These 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. All are passivated for added protection against oxidation and corrosion. They’re angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Screws with a 100° countersink angle distribute pressure over a wide area to prevent crushing soft materials.
For technical drawings and 3-D models, click on a part number.
| Lg., mm | Threading | Head Dia., mm | Head Ht., mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel—100° Countersink Angle | ||||||||
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M0.9 × 0.23 mm | ||||||||
| 2 | Fully Threaded | 1.52 | 0.38 | 70,000 | NAS723CE90-080 | 1 | 000000000 | 00000 |
| 3 | Fully Threaded | 1.52 | 0.38 | 70,000 | NAS723CE90-120 | 1 | 000000000 | 0000 |
| 4 | Fully Threaded | 1.52 | 0.38 | 70,000 | NAS723CE90-160 | 1 | 000000000 | 0000 |